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CertTree SQL Server 2016 70-762 practice test

2017-11-04 11:35:51 | 日記
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Share some MCSA 70-762 exam questions and answers below.
HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:



You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory. The transact-SOL statements for these tables are not available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
- a constraint that limits the Sale Price column to values greater than four Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder. The table must meet the following requirements:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use Where clauses with exact equality operations must be optimized.
You need to create a stored procedure named spDeleteCategory to delete records in the database.
The stored procedure must meet the following requirements:
1. Delete records in both the BlogEntry and BlogCategory tables where Categoryld equals parameter @Categoryld.
2. Avoid locking the entire table when deleting records from the BlogCategory table.
3. If an error occurs during a delete operation on either table, all changes must be rolled back, otherwise all changes should be committed.
How should you complete the procedure? To answer, select the appropriate Transact-SOL segments in the answer area.



Answer:




HOTSPOT
You have a database named Sales that contains the following database tables: Customer, Order, and Products.
The Products table and the Order table are shown in the following diagram.



The customer table includes a column that stores the data for the last order that the customer placed.
You plan to create a table named Leads. The Leads table is expected to contain approximately 20,000 records. Storage requirements for the Leads table must be minimized.
You need to modify the database design to meet the following requirements:
In the table below, identify the constraint that must be configured for each table.
NOTE: Make only one selection in each column.



Answer:




You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:



You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory, The transact-SOL statements for these tables are not available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
- a constraint that limits the Sale Price column to values greater than four Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirements:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use where clauses with exact equality operations must be optimized.
You need to modify the design of the Orders table.
What should you create?
A. a stored procedure with the RETURN statement
B. a FOR UPDATE trigger
C. an AFTER UPDATE trigger
D. a user defined function
Answer: D

HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:



You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory, The transact-SOL statements for these tables are not available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
- a constraint that limits the Sale Price column to values greater than four Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirements:
-The table must hold 10 million unique sales orders.
-The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use Where clauses with exact equality operations must be optimized.
You need to create the Sales Order table
How should you complete the table definition? To answer? select the appropriate Transact-SOL segments in the answer area.



Answer:




HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:



You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory, The transact-SOL statements for these tables are not available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
- a constraint that limits the Sale Price column to values greater than four Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirments:
- The table must hold 10 million unique sales orders.
- The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use where clauses with exact equality operations must be optimized.
You need to create an object that allows finance users to be able to retrieve the required data. The object must not have a negative performance impact.
How should you complete the Transact-SOL statements? To answer, select the appropriate TransactSOL segments in the answer area.



Answer:




You are a database developer for a company. The company has a server that has multiple physical disks. The disks are not part of a RAID array. The server hosts three Microsoft SQL Server instances. There are many SQL jobs that run during off-peak hours. You must monitor the SQL Server instances in real time and optimize the server to maximize throughput, response time, and overall SQL performance. You need to ensure that the performance of each instance is consistent for the same queried and query plans. What should you do?
A. Create a sys.dm_os_waiting_tasks query.
B. Create a sys.dm_exec_sessions query.
C. Create a Performance Monitor Data Collector Set.
D. Create a sys.dm_os_memory_objects query.
E. Create a sp_conftgure 'max server memory' query.
F. Create aSQL Profiler trace.
G. Create asys.dm_os_wait_stats query.
H. Create an Extended Event.
Answer: H

You are a database developer for a company. The company has a server that has multiple physical disks. The disks are not part of a RAID array. The server hosts three Microsoft SQL Server instances. There are many SQL jobs that run during off-peak hours. You observe that many deadlocks appear to be happening during specific times of the day. You need to monitor the SQL environment and capture the information about the processes that are causing the deadlocks. What should you do?
A. A. Create a sys.dm_os_waiting_tasks query.
B. Create a sys.dm_exec_sessions query.
C. Create a PerformanceMonitor Data Collector Set.
D. Create a sys.dm_os_memory_objects query.
E. Create a sp_configure 'max server memory' query.
F. Create a SQL Profiler trace.
G. Create a sys.dm_os_wait_stats query.
H. Create an Extended Event.
Answer: F

HOTSPOT
You have a database that contains the following tables: BlogCategory, BlogEntry, ProductReview, Product, and SalesPerson.
The tables were created using the following Transact SQL statements:



You must modify the ProductReview Table to meet the following requirements:
1. The table must reference the ProductID column in the Product table
2. Existing records in the ProductReview table must not be validated with the Product table.
3. Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
4. Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory, The transact-SOL statements for these tables are not available.
You must modify the Orders table to meet the following requirements:
1. Create new rows in the table without granting INSERT permissions to the table.
2. Notify the sales person who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
- a constraint on the SaleID column that allows the field to be used as a record identifier
- a constant that uses the ProductID column to reference the Product column of the ProductTypes table
- a constraint on the CategoryID column that allows one row with a null value in the column
- a constraint that limits the Sale Price column to values greater than four Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder.
The table must meet the following requirements:
-The table must hold 10 million unique sales orders.
-The table must use checkpoints to minimize 1/0 operations and must not use transaction logging.
- Data loss is acceptable.
Performance for queries against the SalesOrder table that use Where clauses with exact equality operations must be optimized.
You need to update the SalesHistory table
How should you complete the Transact_SQL statement? To answer? select the appropriate TransactSOL, segments in the answer area.



Answer:




DRAG DROP
You have a database named Sales that contains the following database tables. Customer, Order, and Products.
The Products table and the order table shown in the following diagram.



The Customer table includes a column that stores the date for the last order that the customer placed.
You plan to create a table named Leads. The Leads table is expected to contain approximately 20,000 records. Storage requirements for the Leads table must be minimized.
You need to begin to modify the table design to adhere to third normal form.
Which column should you remove for each table? To answer? Drag the appropriate column names to the correct locations. Each column name may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.



Answer:




HOTSPOT
You have a database named Sa les that contains the following database tables: Customer, Order, and Product s.
The Products table and the Order table are shown in the following diagram.



The customer table includes a column that stores the data for the last order that the customer placed.
You plan to create a table named Leads. The Leads table is expected to contain approximately 20,000 records. Storage requirements for the Leads table must be minimized.
You need to implement a stored procedure that deletes a discontinued product from the Products table. You identify the following requirements:
What should you do? To answer, select the appropriate Transact-SOL segments in the answer area.



Answer:





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CertTree 400-201 CCIE SP exam practice test

2017-11-04 11:26:55 | 日記
CertTree CertTree 400-201 CCIE SP exam practice test is the best training materials. If you are an IT staff, it will be your indispensable training materials. Do not take your future betting on tomorrow. CertTree CertTree 400-201 CCIE SP exam practice test are absolutely trustworthy. We are dedicated to provide the materials to the world of the candidates who want to participate in IT exam. To get the Cisco 400-201 exam certification is the goal of many IT people & Network professionals. The pass rate of CertTree is incredibly high. We are committed to your success.
Share some CCIE 400-201 exam questions and answers below.
What ISIS TLVs are used to support MPLS traffic Engineering? (Choose three)
A. TLV 22 Extended IS neighbor
B. TLV 10 Authentication Information
C. TLV 134 Router ID
D. TLV 132 IP interface Address
E. TLV 128 IP Internal Reachability
F. TLV 135 IS Reachability
Answer: A, C, F

REP has been deployed in a segment. A network operations engineer notices that a segment port does not become operational. What is the root cause of this issue?
A.More than one neighbor has the same segment ID.
B.A neighbor is using a different port ID.
C.A local port is in alternate port state.
D.A neighbor port is in blocked state.
Answer: A

An engineer has just configured IOS-XR with out-of-band MPP. Which are the three results that will occur? (Choose three.)
A.Management traffic to RP from all non-MPP interfaces is dropped
B.RP/DRP Ethernet Interfaces are not default out-of-band interfaces.
C.MPP configuration changes doesn't affect active sessions established before the changes
D.Interfaces configured for out-of-band MPP are still part of global routing/forwarding
E.If MPP is disabled and a protocol is activated, all interfaces cannot pass traffic
F.LPTS will provide rate limiting
Answer: ACF

On Cisco IOS devices, which IS-IS feature reduces the convergence time for prefixes designated as high priority?
A. iSPF
B. advertise passive only
C. prefix prioritization
D. Fast-Forwarding
Answer: C

Which operational metric to measure the health of the incident management process is critical?
A. A number of successful changes
B. Number of incidents per severity level
C. Mean time to restore service
D. Mean time to resolve incidents
Answer: A

What is one of the functions of a LISP ingress tunnel router?
A. Ability to integrity-check LISP site registration messages using a SHA2-based HMAC algorithm
B. Responsible for finding EID-to-RLOC mappings for all traffic destined for LISP-capable sites
C. Accept encapsulation Map-request messages, decapsulate them to the MS responsible for the ETR authoritative for the requested EIDs
D. Allows EIDs and RLOCs to communicate in a LISP site that contains EIDs in one address family and RLOCs in a different address family
Answer: B

ISP A provides L2VPN services to Company B through an MPLS network. Company B uses all available CoS values to classify and different traffic forwarding within all Company B sites.
ISP A uses the following CoS values to differentiate service classes for the VPN customer traffic
• MPLS EXP 0 for Bronze service class
• MPLS EXP 1 for Silver service class
• MPLS EXP 2 for Gold service class
• Remaining MPLS EXP values for ISP A internal use
ISP A¡¯s policy is to forward VPN customer traffic based only on their Bronze, silver and Gold service classes.
Which QoS method must ISP A implement to achieve this?
A. Short-pipe Mode
B. Russian Doll Model
C. Pipe Mode
D. Uniform Mode
E. Maximum Allocation Model
Answer: D

A security risk has been discovered on the Service Provider MPLS core network durina a network audit. Traceroute between the customer sites displays IP addresses of the Service Provider MPLS core. What should be done to hide the IP addresses of the Service Provider MPLS core from the customer traceroute utility?
A.Configure an access list to block traceroute traffic.
B.Apply the no mpls ip propagate-ttl forward command.
C.Enable MPLS LDP session protection.
D.Configure an LDP label allocation filter.
E.Apply the no mpls ip propagate-ttl local command.
Answer: B

Which two BGP mechanisms solve the full-mesh paradigm? (Choose two)
A. Confederation
B. Router policy filtering
C. Hierarchical VPLS
D. MPLS VPN
E. Route reflectors
F. BGP link state
G. Community SOO
Answer: A, E

Which two characteristics of GMPLS are true? (Choose two)
A. The LSP is established directionally through only one signaling messages
B. The control channel can terminate on different nodes types that the bearer channels span
C. OXCs manipulate wavelengths that bear the label implicitly
D. Two lights paths traversing the same fiber link can share the same wavelength on that link
E. LMP can be used by the natively photonic switches network element type only
Answer: A, C


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